423040430 has 8 divisors (see below), whose sum is σ = 761472792. Its totient is φ = 169216168.

The previous prime is 423040411. The next prime is 423040433. The reversal of 423040430 is 34040324.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (423040433) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21152012 + ... + 21152031.

It is an arithmetic number, because the mean of its divisors is an integer number (95184099).

Almost surely, 2^423040430 is an apocalyptic number.

423040430 is a deficient number, since it is larger than the sum of its proper divisors (338432362).

423040430 is a wasteful number, since it uses less digits than its factorization.

423040430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42304050.

The product of its (nonzero) digits is 1152, while the sum is 20.

The square root of 423040430 is about 20567.9466646527. The cubic root of 423040430 is about 750.6899902085.

Adding to 423040430 its reverse (34040324), we get a palindrome (457080754).

The spelling of 423040430 in words is "four hundred twenty-three million, forty thousand, four hundred thirty".